Japanese langoustine (Akaza-ebi)

Name (Japanese) Japanese langoustine (Akaza-ebi / アカザエビ / 藜海老)
Overall Rating Flavor: ★★★★★
Texture: ★★★★☆
Popularity: ★★★★☆
Reference Price Value: ★★★☆☆
Price range: $15~$30/100g
Best Season Winter to early spring (December–March)
Did You Know? Its shell is quite soft, and its sweet meat is delicious even when eaten raw.
Category Details
1. Overview Official Name: Akaza-ebi (アカザエビ)
Kanji Name: 藜海老 (Akaza-ebi)
English Name: Japanese langoustine / Japanese lobster
Scientific Name: Metanephrops japonicus
Classification:
• Kingdom: Animalia
• Phylum: Arthropoda
• Class: Malacostraca
• Order: Decapoda
• Family: Nephropidae (Lobster family)
Average Size: 15–25 cm
Key Features: Slender lobster-like crustacean; sweet, rich flesh with delicate aroma; highly prized in fine dining
2. Habitat & Distribution Found in **deep coastal waters of Japan**, particularly in the Pacific Ocean near Shizuoka and Wakayama.
Prefers sandy or muddy sea floors at depths of 200–400 m.
Distributed across parts of the **Western Pacific**, but especially valued in Japan.
3. Seasonality Best season is **winter to early spring (December–March)**.
During this period, the meat becomes especially sweet and flavorful, ideal for sushi and sashimi.
4. Sushi Ingredient Profile Common Uses: Nigiri (raw or lightly boiled), sashimi, grilled, miso soup using shells
Flavor: Deep natural sweetness, rich umami, slightly creamy
Texture: Firm yet tender, with a luxurious mouthfeel
Fat Content: Moderate; prized more for sweetness and depth of flavor than oiliness
5. Preparation & Craftsmanship Frequently served raw as **nigiri or sashimi**, highlighting its rich sweetness.
Light grilling or steaming enhances aroma while keeping texture delicate.
The shells are used to make **intensely flavored miso soup or dashi**.
Handling requires care, as the flesh is delicate and can dry out quickly.
6. Recommended Pairings Sushi Rice: Mildly seasoned shari to balance sweetness
Condiments: Wasabi, a touch of salt, or yuzu zest
Drinks: Junmai daiginjo sake, Champagne, or aromatic white wines
7. Nutritional Information High in protein and minerals (zinc, selenium, iodine).
Low in fat compared to lobster, but rich in omega-3 fatty acids.
Considered a healthy, energy-boosting luxury seafood.
8. Trivia & Cultural Notes Despite being called “ebi” (shrimp), it is more closely related to **lobsters**.
Considered one of the most luxurious sushi toppings, sometimes compared to **Ise-ebi (spiny lobster)**.
Featured in high-end **kaiseki** and sushi omakase as a seasonal highlight.
The vivid red color of its shell after cooking symbolizes **festivity and good fortune** in Japanese culture.
Rare and expensive due to limited catch and labor-intensive preparation.
9. Recommended Sushi Styles • Akaza-ebi nigiri (raw, creamy-sweet flesh)
• Lightly boiled akaza-ebi nigiri
• Akaza-ebi sashimi
• Grilled akaza-ebi with salt
• Akaza-ebi miso soup (using shells for umami-rich broth)

Other Information